<template>
  <div>
  <el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
</el-breadcrumb> 
<!-- 卡片视图 -->
   <el-card class="box-card">
     <!-- 搜索与添加 -->
    <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable
          @clear='getUserList'>
            <el-button slot="append" icon="el-icon-search" @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true" >添加用户</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表区域 -->
      <el-table :data='userlist' border stripe>
        <el-table-column type="index"></el-table-column>
    <el-table-column  prop='username' label="姓名"></el-table-column>
    <el-table-column prop='email' label="邮箱" ></el-table-column>
    <el-table-column  prop='mobile' label="电话"></el-table-column>
    <el-table-column prop='role_name' label="角色" ></el-table-column>
    <el-table-column label="状态" >
        <template slot-scope="scope"><el-switch
  v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
</el-switch>
    </template>
    </el-table-column>
    <el-table-column label="操作" width='180px'>
      <template slot-scope="scope" >
        <el-button type="primary" icon='el-icon-edit' size="mini" 
        @click="showEditDialog(scope.row.id)"></el-button>
        <el-button type="danger" icon='el-icon-delete' size="mini" @click="removeUserById(scope.row.id)"></el-button>
        <el-tooltip  effect="dark" content="分配角色" placement="top" :enterable='false'>
   <el-button type="warning" icon='el-icon-setting' size="mini" @click="setRole(scope.row)" ></el-button>
      </el-tooltip>   
      </template>
    </el-table-column>
      </el-table>
       <!-- 分页区域 -->
        <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 2, 5, 10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
         </el-card>
 <!-- 添加用户对话框 -->
   <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
      <!-- 内容主体区域 -->
      <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>
<!-- 修改用户对话框 -->

   <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%"
   @close="editDialogClosed" >
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click=" editUserInfo ">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>
<!-- 分配角色对话框 -->
        <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
data(){
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的手机号'))
    }
  return{
    queryInfo:{
      query:'',
      pagenum:1,
      pagesize:2
    },
    userlist:[],
    total:0,
   addDialogVisible:false,
   addForm:{
       username: '',
        password: '',
        email: '',
        mobile: ''
   },
   addFormRules:{
           username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { trigger: 'blur',validator: checkEmail }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          {  trigger: 'blur' ,validator: checkMobile}
        ]
    } ,
    editDialogVisible:false,
       editForm: {},
           editFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入用户手机', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      setRoleDialogVisible:false,
       userInfo: {},
      rolesList: [],
      selectedRoleId: ''
  }
},
created(){
  this.getUserList()
},
methods:{
    async getUserList(){
     const{data:res}= await this.$http.get('users',{params:this.queryInfo
     })
     if(res.meta.status!==200)
     { return this.$message.error('获取用户列表失败！')}
     this.userlist=res.data.users
     this.total=res.data.total
     console.log(res);
     },
     handleSizeChange(newSize){
         console.log(newSize);
         this.queryInfo.pagesize=newSize
         this.getUserList()
     },
     handleCurrentChange(newPage){
    console.log(newPage)
    this.queryInfo.pagenum=newPage
         this.getUserList()
     },
   async userStateChanged(userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      this.$message.success('更新用户状态成功！')
    },
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    addUser(){
    this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
      const { data: res } = await this.$http.post('users', this.addForm)
              if (res.meta.status !== 201) {
          this.$message.error('添加用户失败！')
        }
          this.$message.success('添加用户成功！')
          this.addDialogVisible=false
          this.getUserList()
      })
    },
     async showEditDialog(id){
      const{data:res} =await this.$http.get('users/'+id)
      if(res.meta.status!==200){
        return this.$message.error('查询用户信息失败')
      }
      this.editForm=res.data
      this.editDialogVisible = true
    },
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
       editUserInfo() {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 发起修改用户信息的数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )

        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败！')
        }

        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功！')
      })
    },
    async removeUserById(id){
       const confirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)

         if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
    const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }

      this.$message.success('删除用户成功！')
      this.getUserList()
    },
      async setRole(userInfo) {
      this.userInfo = userInfo

      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }

      this.rolesList = res.data

      this.setRoleDialogVisible = true
    },
      async saveRoleInfo() {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }

      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )

      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！')
      }

      this.$message.success('更新角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
}
}
</script>

<style lang="less" scoped>

</style>